#include <stdio.h>
#include <unistd.h>


int main()
{
    printf("----begin----\n");
    execl("/usr/bin/ls","ls","-a",NULL);
    printf("----end-----\n");
    return 0;
}

#if 0
  int main(int argc,char *argv[],char *env[])
  {
    printf("argc:%d\n",argc);
    for(int i=0;i<argc;i++){
       printf("%s\n",argv[i]);
    }
  }
#endif